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Homework help

  1. Feb 18, 2007 #1
    Homework help (polynomial graphing)

    here is the problem:


    i need help with questions 3, 4

    3. The attempt at a solution
    for number 3
    i got more points from http://www40.statcan.ca/l01/cst01/prim11a.htm
    and plotted them, but i dont get whats it mean by unrestricted domain
    i graphed this

    for #4
    i said its restricted to it because 2007 didn't happen yet (is tat right)
    Last edited: Feb 18, 2007
  2. jcsd
  3. Feb 19, 2007 #2


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    Staff Emeritus
    Science Advisor

    3 is just asking, "Suppose the graph continued. What would it look like?"

    For 4- you are correct. The "domain" is the dates given and is initially "restricted" to between 1997 and 2001. If it were "unrestricted", that is, if you assume the function will be correct for later dates, what value would your functions give for 2007?
  4. Feb 20, 2007 #3
    thank you
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